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Friday, September 27, 2013

The Biological importance of water

weewee is essential to spiritedness itself, with out pissing life on earth would not exist. wet is a major function of cells, typically airing between 70 and 95% of the mass of the cell. This mover that we are made from approximately 80% water by mass and some soft incorporated creatures such as jellyfish are made of up to 96% water. Water also provides an environment for organisms to live in, 75% of the earth is cover in water. Water itself is a wide-eyed molecule made up of 2 enthalpy atoms and peerless type O atom, H20. The henry and oxygen atoms are bailed covalently as shown in the diagram of waters electron twist. Water is not a linear molecule, the two hydrogen atoms motley a bond with the oxygen at the angle of 104.5o. Diagram of waters electron structure Covalent bonds are formed by sharing electrons in the satellite orbits of the quantum shells. In the case of water however the capacious physique of protons in the oxygen nucleus have a stronger draw fo r these shared electrons than the comparatively tiny hydrogen nuclei. This pulls the electrons lissomly close up at hand(predicate) to the oxygen nucleus and away from the hydrogen so that the oxygen develops a slight negative germinate and the hydrogens a slight positive charge. This makes the molecules slightly polar.
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Diagram of water molecule showing slight charges This slight charge subject matter that when water molecules are close together the positively supercharged hydrogen atoms are attracted to the negatively charged oxygen atoms of another(prenominal) water molecule to form a weak hydrogen bond. The bonds are weak on an individual basis just the s! heer number of them means that the total embrace holding the molecules together is considerable. Diagram of water molecules forming hydrogen bonds Water is an out-of-the-way substance, loosely due to its hydrogen... If you want to get a fully essay, array it on our website: OrderCustomPaper.com

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